id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A020852
[ 1, 0, 2, 5, 9, 7, 8, 3, 5, 2, 0, 8, 5, 1, 5, 4, 0, 9, 5, 4, 5, 6, 6, 7, 5, 0, 7, 3, 6, 7, 3, 6, 4, 2, 1, 3, 6, 7, 6, 3, 4, 2, 9, 8, 8, 4, 2, 4, 6, 0, 5, 1, 6, 8, 7, 5, 7, 8, 0, 7, 8, 9, 4, 7...
[ "nonn", "cons", "easy" ]
A295555
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 2, 3, 3, 2, 1, 1, 2, 3, 4, 3, 2, 1, 1, 3, 5, 7, 7, 5, 3, 1, 1, 3, 6, 9, 10, 9, 6, 3, 1, 1, 3, 6, 10, 12, 12, 10, 6, 3, 1, 1, 4, 9, 16, 22, 24, 22,...
[ "nonn", "tabl" ]
A235739
[ 3992, 160075, 6175786, 216691834, 7433913626, 244518790287, 7937748092921, 252930693591705, 8002365469207168, 251138131980679650, 7853962193148167000, 244782571628904780000, 7.617125737044828e+21, 2.3670315956627348e+23 ]
[ "nonn" ]
A006742
[ 2, 12, 46, 144, 402, 1040, 2548, 5992, 13632, 30220, 65486, 139404, 291770, 602908, 1229242, 2482792, 4959014, 9836840, 19323246, 37773464, 73182570, 141345292, 270647584, 517513972, 980893354 ]
[ "sign" ]
A063586
[ 1, 3, 9, 22, 36, 26, 33, 65, 92, 82, 54, 111, 89, 105, 131, 146, 149, 189, 187, 212, 192, 204, 182, 200, 252, 210, 307, 247, 268, 304, 300, 338, 313, 333, 404, 417, 363, 421, 355, 433, 485, 481, 451, 458, 521, 505, 551, 48...
[ "base", "nonn" ]
A026092
[ 1, 1, 9, 45, 248, 1377, 7756, 44096, 252570, 1455166, 8424011, 48960606, 285512823, 1669721225, 9788890230, 57511916805, 338536358979, 1996103321754, 11787262391390, 69699393574522 ]
[ "nonn" ]
A375406
[ 0, 0, 0, 0, 0, 0, 1, 4, 14, 41, 110, 278, 673, 1576, 3599, 8055, 17732, 38509, 82683, 175830, 370856, 776723, 1616945, 3348500, 6902905, 14174198, 29004911, 59175625, 120414435, 244468774, 495340191, 1001911626, 2023473267, 4081241473, 8222198324, ...
[ "nonn" ]
A325567
[ 1, 1, 1, 2, 1, 2, 1, 4, 3, 2, 1, 4, 1, 2, 1, 8, 1, 6, 1, 4, 3, 2, 1, 8, 1, 2, 1, 4, 1, 2, 1, 16, 11, 2, 5, 12, 1, 2, 1, 8, 1, 6, 1, 4, 3, 2, 1, 16, 7, 2, 1, 4, 1, 2, 1, 8, 1, 2, 1, 4, 1, 2, 1,...
[ "nonn" ]
A215353
[ 2, 3, 23, 41, 59, 61, 79, 97, 101, 137, 139, 173, 193, 211, 251, 269, 307, 367, 383, 401, 421, 439, 443, 479, 557, 593, 631, 709, 743, 821, 823, 839, 857, 859, 877, 937, 953, 971, 991, 1009, 1013, 1049, 1051, 1087, 1123, 1163,...
[ "nonn", "easy" ]
A303843
[ 0, 0, 1, 4, 15, 51, 175, 573, 1866, 5978, 19000, 59859, 187503, 584012, 1811212, 5595239, 17228943, 52898764, 162013452, 495100454, 1510029296, 4597430832, 13975327501, 42422033217, 128606150706, 389423872694, 1177925775148, 3559477190797, 10746362772325 ]
[ "nonn" ]
A307227
[ 1, 2, 105, 210, 20349, 36075, 40698, 72150, 7162155, 9258795, 14324310, 18517590, 117972855, 156818025, 235945710, 313636050, 5448196215, 10896392430 ]
[ "nonn", "more" ]
A160327
[ 4, 6, 2, 1, 1, 7, 1, 5, 7, 2, 6, 0, 0, 0, 9, 7, 5, 8, 5, 0, 2, 3, 1, 8, 4, 8, 3, 6, 4, 3, 6, 7, 2, 5, 4, 8, 7, 3, 0, 2, 8, 9, 2, 8, 0, 3, 3, 0, 1, 1, 3, 0, 3, 8, 5, 5, 2, 7, 3, 1, 8, 1, 5, 8...
[ "nonn", "easy", "cons" ]
A173429
[ 0, 4, 36, 276, 1152, 3920, 10568, 25348, 53848, 106292, 194732, 339416, 562652, 899796, 1388008, 2083908, 3044992, 4356344, 6102144, 8404204, 11380564, 15199100, 20019856, 26067112, 33551812, 42766092, 53981600, 67570804 ]
[ "nonn", "nice", "easy" ]
A358549
[ 1, 2, 1, 2, 1, 1, 4, 3, 2, 1, 2, 1, 1, 1, 1, 4, 3, 2, 2, 2, 1, 4, 3, 3, 2, 2, 1, 1, 8, 7, 6, 5, 4, 3, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 4, 3, 3, 2, 2, 2, 2, 2, 2...
[ "nonn", "tabl", "easy" ]
A337708
[ 3, 4, 7, 6, 12, 8, 15, 26, 18, 12, 28, 14, 24, 24, 31, 18, 78, 20, 42, 32, 36, 24, 60, 124, 42, 80, 56, 30, 72 ]
[ "dead" ]
A171425
[ 8, 9, 16, 18, 24, 25, 36, 40, 45, 48, 50, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600 ]
[ "fini", "full", "nonn", "easy" ]
A171530
[ 1, 1, 1, 1, 5, 3, 7, 4, 3, 5, 11, 3, 13, 7, 5, 16, 17, 2, 19, 2, 21, 2, 23, 24, 25, 13, 9, 7, 29, 15, 31, 16, 11, 34, 7, 12, 37, 19, 39, 5, 41, 21, 43, 22, 5, 23, 47, 8, 49, 50, 51, 13, 53, 18, 55, 8, 19,...
[ "nonn", "frac", "easy" ]
A374596
[ 2, 11, 12, 26, 27, 47, 29, 49, 73, 104, 105, 108, 79, 144, 53, 112, 188, 238, 117, 199, 244, 293, 297, 86, 355, 419, 162, 423, 311, 431, 496, 435, 264, 319, 576, 656, 215, 448, 661, 126, 752, 601, 680, 849, 687, 610, 944, ...
[ "nonn" ]
A096795
[ 1, 3, 11, 25, 137, 1019, 2143, 6709, 76319, 1019867, 2084779, 36161963, 699329537, 16317371911, 82657705331, 250947687593, 7357796373397, 230420777138107, 465354165304139, 17362507669146744, 717205745892079600 ]
[ "nonn", "frac" ]
A204503
[ 0, 1, 4, 9, 16, 36, 81, 144, 225, 324, 441, 576, 729, 900, 1089, 1296, 1521, 1764, 2025, 2304, 2601, 2916, 3249, 3600, 3969, 4356, 4761, 5184, 5625, 6084, 6561, 7056, 7569, 8100, 8649, 9216, 9801, 10404, 11025, 11664, 12321, 12996, ...
[ "nonn", "base" ]
A305935
[ 1, 0, 1, 12, 809, 1146800, 899927167353, 2.911366846558932e+23, 1.4704020783497694e+46, 1.2553242487939982e+91 ]
[ "nonn" ]
A333916
[ 4, 10, 30, 550, 1540, 48070, 223300, 2634940, 402610950, 1570545340, 13960282700, 5677137442900, 248297918605660 ]
[ "nonn", "more" ]
A307251
[ 1, 3, 7, 21, 56, 63, 168, 252, 504, 819, 2184, 3276, 6552, 15561, 32760, 62244, 124488, 482391, 622440, 1929564, 3859128, 17848467, 19295640, 71393868, 142787736, 713938680, 3069936324, 6139872648, 30699363240, 187266115764, 337692995640, 374532231528 ]
[ "nonn" ]
A085830
[ 2, 25, 269, 2714, 27177, 271822, 2718274, 27182809, 271828173, 2718281817, 27182818272, 271828182832, 2718281828444, 27182818284575, 271828182845887, 2718281828459027, 27182818284590430, 271828182845904500 ]
[ "nonn" ]
A379399
[ 72, 91, 126, 128, 129, 131, 132, 134, 135, 136, 137, 138, 139, 140, 144, 146, 147, 154, 155, 156, 157, 158, 162, 164, 165, 166, 168, 170, 171, 172, 173, 179, 180, 181, 184, 185, 187, 191, 193, 194, 195, 199, 203, 205, 206, 207...
[ "nonn" ]
A362056
[ 3, 107, 4951, 39916141, 355687428046967 ]
[ "nonn", "hard", "more" ]
A226630
[ 1, 11, 17, 19, 23, 25, 29, 31, 49, 77, 85, 95, 97, 113, 115, 119, 121, 131, 139, 145, 179, 181, 185, 193, 217, 311, 313, 371, 385, 407, 431, 451, 467, 473, 475, 485, 491, 493, 503, 527, 601, 605, 641, 695, 697, 791, 805, 8...
[ "nonn" ]
A279960
[ 1, 1, 10, 11, 11100, 1111, 1110000, 111111, 111000000, 11111111, 11100000000, 1111111111, 1110000000000, 111111111111, 111000000000000, 11111111111111, 11100000000000000, 1111111111111111, 1110000000000000000, 111111111111111100, 111000000000000000000 ]
[ "nonn", "easy" ]
A163363
[ 1, 4, 2, 5, 3, 15, 6, 8, 14, 16, 59, 7, 9, 13, 17, 60, 58, 10, 12, 18, 20, 61, 57, 55, 11, 31, 19, 21, 64, 62, 56, 54, 32, 30, 24, 22, 65, 63, 51, 53, 33, 29, 25, 23, 235, 66, 68, 50, 52, 34, 36, 28, 26, 234, ...
[ "nonn", "tabl" ]
A149741
[ 1, 1, 5, 17, 77, 313, 1461, 6377, 30137, 136451, 651723, 3016195, 14502915, 68098479, 329177579, 1561522961, 7577800745, 36219905503, 176326651911, 847707006233, 4137311253217, 19982038766867, 97730494112419, 473764845562387, 2321246109231415, 11287039830147796, 5...
[ "nonn", "walk" ]
A132709
[ 6, 0, 4, 7, 8, 8, 7, 8, 3, 7, 4, 9, 2, 0, 2, 2, 7, 5, 9, 2, 1, 7, 5, 8, 3, 0, 0, 8, 1, 5, 5, 5, 4, 5, 7, 5, 7, 3, 0, 9, 4, 6, 6, 5, 3, 8, 1, 3, 7, 3, 4, 5, 0, 5, 2, 4, 1, 1, 3, 5, 9, 0, 7, 4...
[ "cons", "easy", "nonn" ]
A387044
[ 0, 1, 2, 3, 4, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 37, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 51, 52, 55, 56, 57, 58, 59, 60, 61, 62, 64, 65, 66, ...
[ "nonn" ]
A121343
[ 0, 0, 1, 2, 3, 5, 8, 13, 21, 34, 0, 23, 66, 51, 62, 10, 35, 67, 19, 1, 45, 89, 1, 229, 168, 275, 298, 236, 319, 59, 155, 125, 309, 376, 407, 485, 630, 628, 419, 466, 615, 370, 517, 343, 663, 830, 988, 1033, 168, 624, ...
[ "nonn", "easy" ]
A081813
[ 9, 3, 1, 4, 9, 4, 1, 0, 2 ]
[ "cons", "nonn" ]
A016549
[ 3, 14, 1, 2, 3, 1, 2, 703, 1, 1, 59, 1, 1, 1, 1, 3, 12, 30, 1, 3, 1, 1, 4, 2, 8, 1, 2, 8, 2, 1, 9, 7, 12, 4, 3, 1, 31, 24, 1, 9, 3, 8, 1, 1, 1, 47, 1, 15, 1, 7, 2, 1, 1, 15, 2, 3, 9, 2, 2, 54, 33,...
[ "nonn", "cofr" ]
A135932
[ 3, 7, 11, 19, 23, 41, 43, 47, 67, 71, 83, 103, 107, 113, 149, 151, 157, 163, 167, 199, 227, 263, 269, 331, 337, 347, 353, 419, 431, 443, 487, 491, 503, 521, 587, 593, 599, 607, 613, 617, 619, 683, 719, 787, 797, 821, 827, ...
[ "nonn" ]
A102485
[ 1, 7, 29, 103, 341, 1087, 3389, 10423, 31781, 96367, 291149, 877543, 2640821, 7938847, 23849309, 71613463, 214971461, 645176527, 1936053869, 5809210183, 17429727701, 52293377407, 156888520829, 470682339703, 1412080573541, 4236308829487, 12709060706189 ]
[ "nonn", "easy" ]
A293584
[ 47293, 2075948, 53476920, 1058754564, 17866313444, 270907452704, 3807403790792, 50592275219138, 644225577441572, 7936529529027736, 95254972055989570, 1119634204276346100, 12939870424457765000, 147501747088827090000, 1.6624206264775816e+21 ]
[ "nonn" ]
A089299
[ 1, 1, 1, 1, 2, 2, 4, 5, 8, 11, 16, 21, 31, 41, 57, 78, 108, 146, 202, 274, 375, 509, 690, 929, 1255, 1679, 2246, 2991, 3979, 5266, 6971, 9187, 12104, 15898, 20870, 27322, 35762, 46690, 60927, 79348, 103270, 134138, 174108, 225576,...
[ "nonn" ]
A216480
[ 60, 168, 504, 1092, 2448, 5616, 6072, 9828, 25308, 28224, 32736, 39732, 51888, 74412, 150348, 194472, 285852, 456288, 546312, 612468, 721392, 1024128, 1285608, 1934868, 2097024, 2165292, 2328648, 2588772, 3594432, 3822588, 5544672, 5848428, 6324552, ...
[ "nonn", "nice" ]
A316860
[ 2, 3, 4, 6, 8, 9, 12, 15, 16, 18, 24, 27, 30, 32, 33, 36, 45, 48, 51, 54, 60, 64, 66, 69, 72, 75, 81, 87, 90, 96, 99, 102, 108, 120, 123, 128, 132, 135, 138, 141, 144, 150, 153, 159, 162, 165, 174, 177, 180, 192, 198...
[ "nonn", "easy" ]
A146544
[ 245784, 288288, 320320, 480480, 911064, 1755600, 1796760, 2066400, 2511600, 2841696, 3447549, 3511200, 3686760, 4914000, 5116320, 6144600, 7022400, 7195320, 7255872, 7534800, 8796480 ]
[ "hard", "nice", "nonn" ]
A302220
[ 2, 45, 164, 934, 4237, 21777, 105585, 523414, 2578424, 12726069, 62802085, 309849336, 1529212139, 7545987106, 37239443170, 183771070484, 906898467298, 4475474508545, 22086156194245, 108993766999235, 537877222587527 ]
[ "nonn" ]
A234007
[ 0, 1, 2, 9, 30, 110, 387, 1419, 5185, 19225, 71634, 269250, 1017260, 3864267, 14742260, 56470053, 217052829, 836878982 ]
[ "nonn", "more" ]
A059496
[ 2, 3, 5, 7, 17, 11, 13, 19, 29, 23, 43, 41, 47, 37, 31, 61, 67, 97, 197, 191, 193, 199, 139, 131, 137, 127, 157, 151, 181, 281, 283, 223, 227, 229, 239, 233, 263, 269, 569, 563, 523, 521, 541, 547, 557, 577, 571, 271, 27...
[ "nonn", "base", "nice", "fini", "full" ]
A305739
[ 0, 5, 35, 239, 1799, 15119, 141119, 1451519, 16329599, 199583999, 2634508799, 37362124799, 566658892799, 9153720575999, 156920924159999, 2845499424767999, 54420176498688000, 1094805903679488000, 23112569077678080000, 510909421717094400000 ]
[ "nonn" ]
A234491
[ 250, 1834, 13464, 99142, 728536, 5368636, 39476802, 291119578, 2142048610, 15807820384, 116387461374, 859523654392, 6332338846996, 46797181439986, 344979511889562, 2551214650069978, 18818390917298920, 139260488424222930 ]
[ "nonn" ]
A115883
[ 1, 2, 4, 5, 7, 13, 34, 37, 46, 62, 104, 111, 210, 259, 274, 296, 306, 439, 488, 502, 513, 751, 763, 817, 969, 998, 1132, 1231, 1405, 1586, 1849, 1982, 2107, 2488, 2578, 2695, 2732, 2752, 2989, 3008, 3079, 3322, 3958, 4201, 4628,...
[ "nonn" ]
A002554
[ 1, -5, 259, -3229, 117469, -7156487, 2430898831, -60997921, 141433003757, -25587296781661, 51270597630767, -6791120985104747, 3400039831130409000, -15317460638921853000, 2.5789165074168003e+22, -1.5502861067085105e+24, 2.4823277118070193e+25 ]
[ "sign", "frac" ]
A199810
[ 40, 120, 128, 192, 384, 600, 960, 960, 960, 1920, 2880, 3072, 4800, 4800, 7680, 14400, 14400, 15360, 23040, 23040, 36000, 46080, 72000, 115200, 115200, 115200, 288000, 4320000, 576000, 864000, 921600, 1728000, 2764800, 6912000, 13824000 ]
[ "dead" ]
A087687
[ 1, 4, 9, 8, 25, 36, 49, 32, 99, 100, 121, 72, 169, 196, 225, 64, 289, 396, 361, 200, 441, 484, 529, 288, 725, 676, 891, 392, 841, 900, 961, 256, 1089, 1156, 1225, 792, 1369, 1444, 1521, 800, 1681, 1764, 1849, 968, 2475, 2116, ...
[ "mult", "look", "nonn" ]
A089550
[ 30, 1729, 5355, 18700, 101269, 7714, 108035, 436394, 481134, 760695, 1119755, 1394085, 3296810, 781319, 3999304, 3598529, 3770584, 1904595, 8214349, 13997750, 9004935, 12785955, 27715490, 19524470, 11971060, 45549170, 36120205 ]
[ "nonn" ]
A024374
[ 2, 5, 7, 10, 20, 25, 41, 48, 56, 64, 86, 98, 126, 138, 173, 188, 204, 220, 261, 280, 325, 347, 399, 422, 480, 505, 531, 558, 623, 651, 721, 753, 829, 863, 943, 980, 1066, 1105, 1144, 1184, 1278, 1319, 1419, 1463, 1567, 1615, ...
[ "nonn" ]
A081686
[ 1, 1, -1, 19, 467, 5611, 53459, 455659, 3648707, 28119691, 211372019, 1562038699, 11405181347, 82545287371, 593501306579, 4245828252139, 30255066944387, 214924122640651, 1522971386761139, 10770190567911980, 76039651374633820, 536127709619251500, 3775797660906839600, 265...
[ "easy", "sign" ]
A279228
[ 0, 0, 0, 0, 2, 0, 4, 0, 2, 0, 8, 0, 10, 2, 4, 0, 14, 0, 16, 0, 6, 6, 20, 0, 16, 8, 10, 0, 26, 0, 28, 0 ]
[ "nonn", "more" ]
A357663
[ 1, 0, 4, 48, 464, 4480, 48448, 621824, 9320704, 154890240, 2746131456, 51237908480, 1007228375040, 20965557829632, 463091379159040, 10826828061147136, 266438312153120770, 6861616219559035000, 184128217520198120000, 5.135753969867536e+21 ]
[ "nonn" ]
A032163
[ 2, 1, 2, 6, 18, 63, 232, 868, 3338, 13105, 52270, 210822, 859528, 3535424, 14654628, 61150659, 256674992, 1083008336, 4590945532, 19542842196, 83504907276, 358032884540, 1539885406796, 6641914100221 ]
[ "nonn" ]
A094470
[ 1, 2, 3, 6, 22, 33, 66, 262, 750, 786, 2182, 6546, 8646, 56946, 72006, 162066, 222386, 626406, 667158, 737286, 857526, 1223123, 1489686, 1782726, 2446246, 2939046, 3669369, 4388406, 4780947, 6804006, 7338738, 9561894, 10761126, 12157926 ]
[ "nonn" ]
A276814
[ -3, -4, 6, -5, 22, -30, -6, 36, 16, -168, 192, -7, 54, 46, -294, -266, 1428, -1386, -8, 76, 64, -480, 30, -832, 2560, -128, 3520, -12800, 10752, -9, 102, 86, -738, 78, -1260, 4356, -594, -558, 11484, -23166, 3564, -42900, 118404, ...
[ "sign", "tabf" ]
A208774
[ 5, 9, 13, 24, 41, 91, 185, 435, 1009, 2445, 5945, 14813, 36977, 93465, 237313, 606465, 1556033, 4010205, 10367897, 26891385, 69930457, 182302161, 476262761, 1246710303, 3269321393, 8587489185, 22590646417, 59511087087, 156973954865, 414552479249, 109601797...
[ "nonn" ]
A083265
[ 1, 1, 2, 3, 12, 20, 60, 210, 840, 504, 2520, 27720, 27720, 51480, 360360, 180180 ]
[ "dead" ]
A144680
[ 1, 2, 3, 3, 5, 7, 4, 7, 11, 14, 5, 9, 15, 21, 25, 6, 11, 19, 28, 36, 41, 7, 13, 23, 35, 47, 57, 63, 8, 15, 27, 42, 58, 73, 85, 92, 9, 17, 31, 49, 69, 89, 107, 121, 129, 10, 19, 35, 56, 80, 105, 129, 150, 166, ...
[ "nonn", "tabl" ]
A356309
[ 0, 1, 2, 6, 4, 5, 6, 7, 8, 12, 30, 11, 12, 13, 14, 30, 16, 17, 18, 19, 30, 24, 22, 23, 24, 30, 26, 30, 28, 29, 30, 31, 32, 36, 34, 210, 36, 37, 38, 42, 60, 41, 210, 43, 44, 60, 46, 47, 48, 210, 60, 54, 52, 53, ...
[ "nonn" ]
A181216
[ 32, 1024, 16100, 337561, 7133488, 144192064, 2970419984, 61244865529, 1259243459640, 25918851195136, 533530588518792, 10980680240365080, 226010597463198530, 4651909195666878000, 95747873079255530000 ]
[ "nonn" ]
A101302
[ 3, 7, 13, 23, 149, 313, 619, 691, 769, 1237, 1451, 4391, 7639, 9787, 11527, 19489, 21943, 27997, 32869, 35449, 36107, 36767, 46817, 49939, 55691, 56543, 59119, 61757, 69127, 70079, 73973, 81047, 83117, 87337, 89491, 91673, 93871, 106537 ]
[ "nonn", "easy" ]
A256324
[ 30, 840, 3780, 3520, 750750, 98280, 2099160, 7441920, 10665270, 5313000, 119390700, 3931200, 40139190, 18501420, 313038000, 241274880, 2175918570, 266493240, 1535455740, 3258024000, 1007504190, 172657320, 16812360600, 3742502400 ]
[ "nonn", "frac", "easy" ]
A186722
[ 1, 5, 205, 5369, 1968329, 240505109, 822968714749, 238820721143261, 354019312583809, 1.0383930672892967e+22, 8.74536334144596e+24, 3.3729537728506506e+28, 4.625296921049976e+31, 1.1115284554577186e+34, 2.0577813589884143e+37 ]
[ "nonn" ]
A150879
[ 1, 2, 8, 33, 148, 681, 3201, 15277, 73616, 357316, 1744329, 8549549, 42045074, 207306429, 1024243596, 5069175930, 25123000907, 124653578501, 619096123727, 3077246250728, 15306139934563, 76177126601999, 379317092707415, 1889599971716845, 9416765382945068, 46943668153...
[ "nonn", "walk" ]
A026400
[ 1, 2, 3, 2, 4, 3, 5, 6, 3, 4, 7, 5, 4, 6, 8, 9, 4, 5, 7, 6, 10, 5, 8, 11, 7, 6, 5, 9, 12, 13, 8, 6, 7, 9, 10, 11, 14, 6, 7, 8, 10, 12, 9, 13, 15, 7, 8, 11, 16, 17, 10, 9, 7, 12, 8, 13, 11, 14, 18, 1...
[ "nonn" ]
A367715
[ 1, 2, 4, 8, 16, 33, 68, 140, 288, 594, 1225, 2526, 5208, 10740, 22148, 45673, 94184, 194224, 400524, 825950, 1703249, 3512395, 7243168, 14936668, 30801992, 63519044, 130987274, 270118452, 557031032, 1148694482, 2368807011, 4884890405, 10073490200 ]
[ "nonn" ]
A304996
[ 1, 2, 6, 24, 166, 3266, 826308 ]
[ "nonn", "more" ]
A054283
[ 2, 25, 27, 37, 38, 40, 43, 54, 61, 64, 65, 69, 79, 84, 90, 100, 103, 124, 138, 158, 169, 176, 188, 204, 211, 215, 235, 242, 264, 265, 272, 283, 286, 291, 292, 293, 305, 308, 332, 349, 353, 355, 362, 368, 373, 377 ]
[ "nonn", "base" ]
A087017
[ 9, 4, 7, 5, 7, 3, 9, 0, 1, 0, 8, 3, 8, 2, 5, 7, 7, 6, 8, 8, 4, 1, 5, 2, 9, 8, 6, 3, 5, 3, 4, 5, 8, 0, 6, 4, 3, 7, 6, 4, 1, 0, 2, 6, 2, 7, 2, 4, 3, 1, 3, 3, 4, 2, 2, 4, 0, 2, 6, 9, 8, 4, 9, 8...
[ "nonn", "cons" ]
A227061
[ 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 5, 1, 1, 1, 5, 25, 13, 1, 1, 1, 8, 161, 272, 42, 1, 1, 1, 13, 1112, 7776, 4070, 155, 1, 1, 1, 21, 8787, 287311, 626649, 79221, 636, 1, 1, 1, 34, 76156, 13704640, 137393147, 70...
[ "nonn", "tabl" ]
A061217
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6...
[ "nonn", "base" ]
A171984
[ 4, 8, 12, 16, 20, 24, 28, 32, 37, 41, 45, 49, 53, 57, 61, 65, 70, 74, 78, 82, 86, 90, 94, 98, 103, 107, 111, 115, 119, 123, 127, 131, 136, 140, 144, 148, 152, 156, 160, 164, 169, 173, 177, 181, 185, 189, 193, 197, 202, ...
[ "nonn", "easy" ]
A246635
[ 1, 110, 52630, 32050452, 21695031326, 15588534391688, 11639131492660980, 8926158067633261000, 6.98207569963739e+21, 5.544869068478382e+24, 4.4567284979569064e+27, 3.6172390345151217e+30, 2.959687584848274e+33 ]
[ "nonn" ]
A245649
[ 3, 5, 12, 27, 39, 41, 48, 63, 324, 1275, 1599, 2259, 2304, 3124, 3724, 14295, 19464, 21659, 40655, 44659, 262983, 338064, 485463, 505407, 686700, 696795, 898528, 1595384, 10377100, 12332927, 14452991, 14883967, 21024479, 23068975, 25527535, 30971...
[ "nonn" ]
A025996
[ 1, 26, 449, 6550, 87765, 1122522, 13981657, 171489758, 2084497085, 25203559810, 303786156609, 3654919330374, 43925837020261, 527579714133290, 6334254431345705, 76034189070980400, 912572474428695700 ]
[ "easy", "nonn" ]
A206255
[ 49, 361, 361, 1600, 8029, 1600, 9409, 99856, 99856, 9409, 47089, 1718209, 1364224, 1718209, 47089, 258064, 26512201, 49336576, 49336576, 26512201, 258064, 1343281, 434613664, 944701696, 4556324929, 944701696, 434613664, 1343281, 7198489 ]
[ "nonn", "tabl" ]
A078856
[ 73, 157, 373, 433, 1543, 2341, 2383, 3313, 3607, 4441, 4993, 5851, 6037, 6961, 7237, 8731, 9613, 9733, 10723, 13093, 14143, 14731, 16411, 16921, 17971, 18787, 20107, 21391, 23011, 23593, 25111, 25237, 25447, 27793, 30103, 30697, 32353, 32563 ...
[ "nonn" ]
A117296
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 23, 24, 30, 46, 67, 69, 89, 92, 115, 134, 138, 178, 184, 223, 230, 233, 263, 276, 283, 289, 293, 295, 301, 321, 381, 387, 411, 428, 441, 446, 466, 472, 508, 526, ...
[ "base", "nonn" ]
A366120
[ 1, 3, 1, 15, 11, 5, 1, 141, 127, 100, 70, 44, 22, 7, 1, 2453, 2393, 2249, 2035, 1784, 1508, 1222, 948, 694, 472, 302, 182, 95, 37, 9, 1, 84870, 84278, 82769, 80217, 76934, 73302, 69363, 64917, 59951, 54787, 49746, 44826, 39850, ...
[ "nonn" ]
A125860
[ 1, 1, 1, 1, 2, 1, 1, 5, 3, 1, 1, 17, 12, 4, 1, 1, 86, 69, 22, 5, 1, 1, 698, 612, 178, 35, 6, 1, 1, 9551, 8853, 2251, 365, 51, 7, 1, 1, 226592, 217041, 46663, 5990, 651, 70, 8, 1, 1, 9471845, 9245253, 1640572, 161525, ...
[ "nonn", "tabl" ]
A096245
[ 5, 25, 186, 1398, 11500, 99074, 893062, 8352961, 80564801 ]
[ "nonn", "base", "more" ]
A167392
[ 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0...
[ "nonn" ]
A103336
[ 1, 2, 11, 17, 19, 23, 29, 31, 37, 38, 41, 43, 47, 53, 58, 59, 62, 67, 71, 73, 74, 79, 81, 82, 83, 86, 89, 94, 97, 101, 107, 113, 118, 121, 122, 125, 127, 131, 134, 137, 139, 146, 149, 151, 157, 158, 162, 163, 167, 173,...
[ "nonn" ]
A354737
[ 1, 1, 2, 6, 20, 80, 336, 1568, 7584, 39312, 210080, 1180256, 6813312, 40890304, 251528704, 1597332480, 10376040448, 69259146752, 472084038144, 3295588345344, 23459477468160, 170610216311808, 1263629972183040, 9543419750909952, 73322350509367300, 573544008429363200 ]
[ "nonn" ]
A288380
[ 2, 4, 7, 11, 20, 38, 70, 130, 245, 461, 866, 1630, 3070, 5780, 10883, 20495, 38596, 72682, 136874, 257762, 485417, 914137, 1721506, 3241946, 6105242, 11497412, 21651967, 40775059, 76787732, 144606926, 272324270, 512842018, 965785885, 1818771365, 34...
[ "nonn", "easy" ]
A167924
[ 1, 16, 240, 3600, 54000, 810000, 12150000, 182250000, 2733750000, 41006250000, 615093750000, 9226406250000, 138396093750000, 2075941406250000, 31139121093750000, 467086816406250000, 7006302246093750000 ]
[ "nonn" ]
A092167
[ 4, 26, 154, 926, 5554, 33326, 199954, 1199726, 7198354, 43190126, 259140754, 1554844526, 9329067154, 55974402926, 335846417554, 2015078505326, 12090471031954, 72542826191726, 435256957150354, 2611541742902126 ]
[ "nonn" ]
A270801
[ 665897, 741413, 794207, 859601, 876611, 892627, 980911, 1102249, 1116977, 1123879, 1129213, 1163653, 1228543, 1237139, 1393771, 1434553, 1453019, 1471079, 1513163, 1570577, 1588133, 1608769, 1638211, 1638743, 1645253, 1670887, 1702933, 1704137, 1785337 ]
[ "nonn" ]
A030521
[ 3, 7, 31, 211, 2311, 233311, 30563611, 4615105111, 835334024911, 159548798757811, 49938774011194530, 17628387225951668000, 6.575388435279973e+21, 2.5183737707122297e+24, 1.830857731307791e+27, 1.3859593025999976e+30 ]
[ "nonn", "base" ]
A331962
[ 2, 3, 2, 5, 3, 2, 5, 3, 2, 7, 5, 3, 2, 7, 11, 5, 3, 2, 7, 11, 13, 17, 5, 3, 2, 7, 11, 13, 17, 5, 3, 2, 7, 11, 19, 13, 17, 5, 3, 23, 2, 7, 11, 19, 13, 17, 5, 3, 23, 29, 2, 7, 11, 19, 13, 17, 5, 3, 23, ...
[ "tabl", "easy", "nonn", "base" ]
A092071
[ 1, 1, 2, 8, 27, 71, 197, 482, 1060, 2241, 4429, 8241, 14788, 25473, 42288, 68302, 107329, 164450, 246870, 363341, 525037, 746901, 1046759, 1446661, 1974912, 2664696, 3556123, 4699051, 6151182, 7980924, 10271230, 13117013, 16629061, 20939082, 261963...
[ "nonn" ]
A036733
[ 1, 1, 1, 12, 111, 1002, 9714, 99540, 1050699, 11335347, 124588322, 1390328886, 15708587942, 179337437284, 2065664506352, 23975801683480, 280144041520475, 3292561150068214, 38899147293746650, 461696518011468200, 5502718866101560000 ]
[ "nonn" ]
A358074
[ 1, 2, 1, 0, 1, 2, 1, 0, 0, 2, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0...
[ "nonn" ]
A275831
[ 3, 0, 14, 21, 98, 245, 833, 2401, 7546, 22638, 69629, 211288, 645869, 1966419, 6000099, 18286016, 55765626, 170002805, 518361494, 1580379017, 4818550093, 14691183577, 44792503770, 136568135690, 416385811429, 1269524476220, 3870677629833, 11801372013543, 359814...
[ "nonn", "easy" ]
A102958
[ 0, 1, 4, 10, 165, 228, 384, 2890, 3445, 10069, 17356, 25804, 29052, 29082 ]
[ "more", "nonn" ]
A202636
[ 4, 12, 12, 36, 184, 36, 108, 2428, 2428, 108, 324, 32676, 143028, 32676, 324, 972, 443100, 8196796, 8196796, 443100, 972, 2916, 5967248, 464590190, 1960824272, 464590190, 5967248, 2916, 8748, 80018540, 26143599304, 459796683544 ]
[ "nonn", "tabl" ]